Advertisements
Advertisements
प्रश्न
An element Z has a valency of 3. What is the formula of oxide of Z ?
Advertisements
उत्तर
If Z has a valency of 3, then the formula of its oxide will be Z2O3.
APPEARS IN
संबंधित प्रश्न
Write down the formulae of sodium oxide.
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
Name the element in the compound and give the formula of the following compound:
Phosphoric acid
Write the formula of the following compound:
Sodium dichromate
Write the formula of the following compound:
Sodium bisulphite
Write the formula of the following compound:
Iron [II] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
Write the molecular formulae for the following compounds
Copper (II) bromide
